Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21000 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 21000 It is listed as Switch Optoelectronic. component manufactured by Ird Mechanalysis Inc, specifically under CAGE Code 97240. It is also accompanied by the NSN 5980013436160 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5980 Optoelectrical Devices and Associated Hardware.